Catherine Brahic of New Scientist blog wrote a pretty neat post about the weirdest animals species of 2008. Take, for instance, the "bone breaking horror frog":

"Amphibian horror" isn't a movie genre, but on this evidence perhaps it should be. In May, biologists described a hairy frog that actively breaks its own bones to produce claws that puncture their way out of the frog's toe pads, probably when it is threatened.